body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fdfdfd;
  color: #333;
}

header {
  background-color: #d32f2f;
  color: white;
  padding: 20px;
  text-align: center;
}

nav a {
  margin: 0 15px;
  color: white;
  text-decoration: none;
  font-weight: bold;
}